A new image from the High Resolution Stereo Camera onboard ESA’s Mars Express shows the part of Nirgal Vallis, a dried-up river valley on Mars.
This...
Mars is dry today, but numerous ancient rivers are found across the planet’s surface and their existence is a challenge to models of planetary climate...
Mars today is a cold, dry world, but it may not always have been so. Recent studies increasingly indicate that the planet once had a thicker, denser atmosphere...
A new study, undertaken by a team of University of Exeter researchers using captive Eurasian beavers (Castor fiber), has demonstrated the significant impact...
Saturn’s hazy moon Titan, Earth and Mars have all hosted rivers at some point in their histories. Planetary researchers from the City University of New...
An international team of scientists led by University College London researcher Joel Davis has identified over 10,500 miles (17,000 km) of ancient river...